Many of this model have been unable to update to newer firmware versions. An appeal for users to report their firmware version and logic board ID.
Provision of maintenance procedures and tools is at the heart of software engineering, but not in macOS.
What is wrong with this iMac, which has such a struggle updating its firmware? And why is Apple not acknowledging the problem?
Have you checked whether your Mac is running the latest version of firmware? For some iMacs, that might bring an unwelcome surprise.
Many users of iMac 17,1 models – described officially as the iMac Retina 5K 27-inch Late 2015 – […]
Why is Apple soldering in the SSDs of so many new Macs? What problems does it produce, and should you avoid them?
New iMacs were very welcome, but Apple is telling us about its future plans. Will these new versions only sell for the next year? What will replace them?
Fancy a new iMac? With a hard disk or a Fusion Drive? It’s worth considering their drawbacks, and looking at a smaller SSD perhaps.
Wondering what happened to the iMac 2018 and the replacement for the 5 year-old Mac Pro? We should see them in 2019, inevitably with T2 chips.
Migration is pain: you can spread it out over days or weeks, or get it over with in a much shorter period. Moving your Time Machine backups also requires great care.